import router from './router/index'
import store from './store'
import { Message } from 'element-ui'
import NProgress from 'nprogress' // progress bar
import 'nprogress/nprogress.css' // progress bar style
import { getToken } from '@/utils/auth' // get token from cookie
import getPageTitle from '@/utils/get-page-title'
import { filterAsyncRouter } from '@/store/modules/user'
import Layout from '@/layout'

NProgress.configure({ showSpinner: false }) // NProgress Configuration

const whiteList = ['/login'] // no redirect whitelist

let routesDemo=[
  {
    path: '/system',
    component: 'layout/Layout',
    meta: { title: 'system', icon: 'form' },
    children: [
      {
        path: '/system/user',
        name: 'user',
        component:'./views/system/users/index',
        meta: { title: 'user', icon: 'form' }
      },
      {
        path: '/system/role',
        name: 'role',
        component: './views/system/roles/index',
        meta: { title: 'role', icon: 'form' }
      },
    ]
  }

]

router.beforeEach(async(to, from, next) => {
  // start progress bar
  NProgress.start()

  // set page title
  document.title = getPageTitle(to.meta.title)

  // determine whether the user has logged in
  const hasToken = getToken()

  if (hasToken) {
    if (to.path === '/login') {
      // if is logged in, redirect to the home page
      next({ path: '/' })
      NProgress.done()
    } else {
      const hasGetUserInfo = store.getters.name
      if(hasGetUserInfo){
        next()
      }else
      {
        try {
          // get user info
          await store.dispatch('user/getInfo')
          const hasPermissionList =store.getters.permission_routes
          if (hasPermissionList.length === 0) {
            console.log('进入 permission 部分')
            store.dispatch('permission/GetPermissionList').then(res=>{

              console.log('res'+res)

              router.addRoutes(res)
              next({ ...to ,replace: true })
            }).catch(error=>{
              console.log('权限失败')
            })
          } else {

            next()
          }
        } catch (error) {
          // remove token and go to login page to re-login
          await store.dispatch('user/resetToken')
          Message.error(error || 'Has Error')
          next(`/login?redirect=${to.path}`)
          NProgress.done()
        }

      }
    }
  } else {
    /* has no token*/

    if (whiteList.indexOf(to.path) !== -1) {
      // in the free login whitelist, go directly
      next()
    } else {
      // other pages that do not have permission to access are redirected to the login page.
      next(`/login?redirect=${to.path}`)
      NProgress.done()
    }
  }
})

router.afterEach(() => {
  // finish progress bar
  NProgress.done()
})
